Whatever is begun in anger ends in shame. Benjamin Franklin
In anger we should refrain both from speech and action. Pythagoras
The most spectacular event of the past half century is one that did not occur. We have enjoyed sixty years without nuclear weapons exploded in anger. Thomas Schelling
One word spoken in anger may spoil an entire life. Greek Proverb
To spend the night in anger is better than to spend it repenting. Senegalese Proverb
In anger there is no intelligence. Sukuma Proverb